Safety car block



L. E. JOHNSON.

SAFETY CAR BLOCK.

APPLICATION FILED 05c. 21. 1920.

Patented Jan. M), 1922.

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L. E. JOHNSON.

SAFETY CAR BLOCK. APPLlCATlON FILED DC.27. 1920.

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Patented Jan. W, 1922.

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nawannon n. JOHNSON, or iannnosn, IVEASSAGI-IUSETTS, ASSIGNOR, BY iunsnn nssreniannrs, TO s. JOHNSON, or innrnosn, ranssaonusnrrs.

SAFETY CAB BLOCK.

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Specification of Letters Patent.

Patented Jan. 19, 1922.

Application filed December 27, 1920. Serial No. 433,269.

To all whom it may concern:

Be it lrnownthat T, LAWRENCE E. JOHN- soN, a citizen or" the United States or" America, and a resident of delrose, in the county of ltdiddlesex and Commonwealth of Massachusetts, have invented certain new and useful Improvements in Safety Car Blocks, of which the following is a specification.

This invention relates to safety car blocks and has for its object the provision of a device of this character which may be applied quickly to a rail and which is so constructed that it may be locked to the rail when desired or removed to one side thereof when its use is no longer required.

The invention consists primarily of iixed bed-plate having articulated thereto a block having an inclined upper face, said block being adapted to be positioned on the top of a rail and clamped thereto by a clamping lever articulated to said block and provided at its outer end with suitable locking means to prevent the displacement of said block.

The invention further consists in certain novel features 01 construction and arrangement of parts which will be understood readily by reference to the description of the drawings and to the claims to be hereinafter given.

For the purpose of illustrating the invention, one preferred form thereof is illus trated in the dra vings, this form having been found to give satisfactory and reliable results although it is to be understood that the various instrumentalities oi. which the invention consists can be variously arranged and organized and the invention is not limited to the precise arrangement and organization oi? these instrunientalities as herein shown and described except as required by the scope of the appended claims.

Qt the drawings:

Figure 1 represents a plan of a device embodying the principles of the present invention.

Figure 2 represents an elevation of the same.

Figure 3 represents a vertical section of same on line 3 3, on Fig. 1, and

Figure 1 represents a vertical section with the block removed "from the rail.

Similar characters indicate like parts in the several figures oi the drawings.

In the drawings, 10, 10 represents two sleepers having secured thereto the rail 11.

At one side of and parallel to the rail 11 is a plate 12 secured to the sleepers 10 by spikes 13.

On the opposite side of the rail 11 and parallel thereto is secured a plate 14 by means of spikes 15.

This plate 1% has formed thereon a plurality of ears 16 having mounted therein the fulcrum pins 17 extending through ears 18 formed upon and extending downwardly from the rail block 19.

This rail block is provided with inclined sides 20 and an apex 21 intermediate said inclined sides 20.

The apex 21 and the inclined sides 20 have a tread surface conforming to the tread surface of the rail 11 upon which said block 19 rests.

The block 19 on the side opposite to the ears 18 is provided with an car 22 to which is pivoted a lever 23 having a slot 2% through which is adapted to extend an eye 25 secured to the plate 12.

The lever 24 is provided with a projection 26 adapted to bear against the under face or" the upper flange 27 of the rail 11.

Through the eye 25 extends a tapered member 28 having a hole 29 in the smaller end thereof.

The bail 30 of a padlock 31 is adapted to extend through this hole 29 and prevent the unauthorized removal of the wedge member 28.

The extreme outer end of the lever 23 is provided with a daring flattened portion 32 adapted to be gripped when the pin 28 is removed in order to disengage the projections 26 from the flange 27 of the rail 11 and permit the lever 23 to be moved about its fulcrum pin 33 and the block 14 to be moved about its fulcrum pins 17 thereby providin means whereby the block may be removed from the top of the rail 11 into the position indicated in Fig. 4 of the drawings.

W hen the block 19 is in the position indicated in Fig. 4 of the drawings, the rails are clear and the cars are free to move over the same.

When the block is locked in the position indicated in Figs. 1 to 3 inclusive, the cars are prevented from moving by the block 19 although it a locomotive is attached to the cars and it is desired to pass over the block, this may be readily accomplished without removing the block 19 from the rail 11.

If the block is used. on a side track and cars are shifted onto the side track, if there is not too much momentum to the train of cars, the block 19 will stop the cars at a such an extent that the wheels of the other.

cars would be prevented from riding over the block and the entire train would be stopped.

The wedge member 28 tends to force the projections 26 against the under face of the flange 27 and with this point as a fulcrum to pull the block 19 down solidly to its seat on the top of the rail 11.

The padlock 81 prevents the unauthorized removal of the wedge 28 and consequently prevents the removal of the block 19 from the rail.

While only one block is shown secured to one of the rails of the track, it is obvious that this device is duplicated on the opposite rail of the track.

This makes a very simple construction of safety blocks for railroad'cars on side tracks and is particularly adapted for use on side tracks where there is a slight inclination.

By its use the cars are stopped substantially at a predetermined point and are prevented from running away down an incline by their own momentum.

It is believed that the operation and many advantages of the invention will be understood without further, description.

Having thus described my invention, 1 claim- 1. In a device of the class described, a block adapted to fit the top of a rail and having downwardly inclined top surfaces in alinement with said rail and extending from an intermediate part toward the ends thereof, said top surfaces forming a continuation of the tread surface of the rail and over which the car trucks may move in either di rection; and means pivoted to said block for clamping said block to said rail.

2. In a device of the class described, a block adapted to fit the top of a rail and provided with a wheel-supporting tread surface in alinement with said rail a portion of said surface being inclined and forming a continuation of the tread surface of the rail; and members articulated to said block and adapted to clamp said block to said rail.

3'. in a device of the class described, a block adapted to lit the top of a rail and having an inclined surface registering at both ends with said rail top, a bed-plate pivotally connected to one side of said block and adapted to clamp said block to said rail and adapted to be secured in fixed position; mechanism pivotally secured to the opposite side of said block; and means for retaining said clamping mechanism in operative position.

4. In a device of the class described, a block adapted to fit the top of a rail; a fixed bed-plate connected to one side of said block; a lever pivoted to the opposite side of said block and provided with'a projection adapted to impinge upon the under face of an upper flange of said rail; and locking means for said lever.

5. In a device of the class described, a block adapted to fit the top of a rail; a fixed bed-plate connected to one side of said block; a lever pivoted to the opposite side of said block provided with a projection adapted to impinge upon said rail and having a slot in the outer end thereof; a fixed member extending through said slot and having a transverse hole; 'a wedge adapted for insertion through said hole; and means preventing the unauthorized removal of said wedge.

6. In a device of the class described, a

. block adapted to fit the top of a rail and having an inclined upper face forming continuation of the rail top; a fixed bed-plate connected to one side of said block; and means pivotally connected to the opposite side of said block for clamping said block to the top of said rail.

7. In a device of the class described, a block adapted to fit the top of a rail and having an inclined upper face; a fixed bedplate pivotally connected to one side of said block; and means pivotally connected to the opposite side of said block for clamping said block to the top of said rail.

8. In a device of the class described, a block adapted to fit the top of a rail; a fixed bed-plate pivotally connected to one side of said block; a lever pivoted to the opposite side of said block and provided with a projection adapted to impinge upon the under face of the upper flange of said rail; and locking means for said lever.

9. In a. device of the class described, a block adapted to fit the top of a rail; a fixed bed-plate pivotally connected to one side of said block; a lever pivoted to the opposite side of said block provided with a projection adapted to impinge upon said rail and having a slot in the outer end thereof; a fixed member extending through said slot having a transverse hole; a Wedge adapted for insertion through said hole; and means preventing the unauthorizedremoval of said Wedge.

10. In a device of the class described, a

fixed bed-plate; a block having an inclined upper face and adapted to rest upon a rail, said block having an ear articulated to said bed-plate; a rail clamping device pivotally connected to the opposite side of said block;

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and means for locking said clamping device.

11. In a device of the class described, a fixed bed plate; a block pivotally connected to said bed plate adapted to rest upon a rail and having an inclined upper face registering at opposite ends with and forming a continuation of the tread surface Off said rail; and means for clamping said block against the upper face of said rail.

12. In a device of the class described, a fixed bed plate; a block having an inclined upper face and adapted to rest upon a rail; means for clamping said block against the upper face of said rail; and pivoted connections between said block, bed plate, and clamping means whereby said block and clamping means may be disengaged from the rail and moved to one side thereof about the pivot between said block and bed plate.

13. In a device of the class described, a block having an inclined upper face and adapted to rest upon arail; an ear thereon having a shoulder adapted to bear a ainst the under side of: the upper flange or said rail; and a clamping member pivoted to said block and having a projection adapted to impinge upon the under side of the opposite upper flange of the rail.

14:. In a device of the class described, a block having an inclined upper face and adapted to rest upon a rail; an ear thereon having a shoulder adapted to bear against the under side of the upper flange of said rail; a clamping member pivoted to said block and having a projection adapted to impinge upon the under side of the opposite upper flange of the rail; and a fixed bed plate to which the shouldered ear is articulated.

15. In a device of the class described, a block having an inclined upper face and adapted to rest upon a rail; an ear thereon having a shoulder adapted to bear against the under side of the upper flange of said rail; a clamping meml er pivoted to said block and having a projection adapted to impinge upon the under side of the opposite upper flange of the rail; and means for forcing downwardly the outer end of said clamping member.

16. in a device of the class described, a block adapted to fit the top of a rail and provided with downwardly inclined top surfaces in alinen'ient with said rail and extending from an intermediate part toward the ends thereof, said top surfaces forming a continuation of the tread surface of the rail and the height of the center portion or" said block relatively to the length of said block being such as to permit the car trucks to move over the same in either direction; and means for securing said block to said rail.

Signed by me at 746%? Old South Bldg, Boston, Mass, this 22nd day of December,

LAlVRENGE E. JOHNSON. Witnesses:

WALTER E. LOMBARD, NATHAN C. LOMBARD. 

